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20102211012000 = 2535313223577849
BaseRepresentation
bin1001001001000011010010…
…01001011000010110100000
32122011202022122111220011210
410210201221021120112200
510113323312004341000
6110430454522510120
74143223346212335
oct444415111302640
978152278456153
1020102211012000
116450333064187
122307b39965340
13b2a826bac1b0
144d6d48bc498c
1524cd88265350
hex1248692585a0

20102211012000 has 384 divisors, whose sum is σ = 71238753331200. Its totient is φ = 4926038630400.

The previous prime is 20102211011983. The next prime is 20102211012011. The reversal of 20102211012000 is 21011220102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34499076 + ... + 35076924.

It is an arithmetic number, because the mean of its divisors is an integer number (185517586800).

Almost surely, 220102211012000 is an apocalyptic number.

20102211012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102211012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35619376665600).

20102211012000 is an abundant number, since it is smaller than the sum of its proper divisors (51136542319200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20102211012000 is a wasteful number, since it uses less digits than its factorization.

20102211012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578113 (or 578095 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20102211012000 its reverse (21011220102), we get a palindrome (20123222232102).

The spelling of 20102211012000 in words is "twenty trillion, one hundred two billion, two hundred eleven million, twelve thousand".